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Subject: Re: [hwloc-users] Re : lstopo on multiple machines
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-08-17 05:58:09

On Aug 17, 2011, at 2:26 AM, Brice Goglin wrote:

>> What about an MPI version of lstopo ?
> If you want to see the entire MPI job topology within a single topology,
> doing it inside hwloc would likely require to check for mpirun/mpiexec
> parameters and so on at configure... big mess. Something like below with
> the previously proposed API/utility may be enough:
> mpirun lstopo <hostname>.xml
> hwloc_xml_agregate cluster.xml *.xml
> export HWLOC_XMLFILE=cluster.xml

Much as an MPI version sounds interesting (even potentially as a 3rd-party tool), I have to agree that a shell script similar to what Brice typed might be much easier.

Jeff Squyres
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